Chemistry - Electrochemistry Question with Solution | TestHub

ChemistryElectrochemistryMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice

The standard potential of the cell formed by combining the Cl2/Cl(aq) half-cell with the standard hydrogen electrode is +1.36V and E o T P = - 1.2 × 1 0 - 3 VK -1 . What is the value of Δ S reaction o for reaction H 2 g + Cl 2 g 2 H aq + + 2 Cl aq -

Options:

Answer:
C
Solution:

Δ S reaction o = nF E o T P

= 2 × 9 6 4 8 0 C mol -1 × - 1.2 × 1 0 - 3 VK -1

= - 2.3 × 1 0 - 2 JK -1

Stream:NTA_ABHYASSubject:ChemistryTopic:ElectrochemistrySubtopic:Miscellaneous/Mixed
2mℹ️ Source: PYQ_2020

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